<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>02-按钮</title>
</head>
<body>

<form action="http://www.baidu.com">

    <input type="text" name="phone">

    <button type="button">获取验证码</button>
    <button type="reset">重置</button>
    <button type="submit">提交</button>
</form>

</body>
</html>